Trahaiarn ap Caradawg
Trahaiarn ap was born before 1050.

 Gruffudd Nest verch Angharad
Gruffudd Nest verch was born before 1050.

 Llywarch ap Trahaiarn
Llywarch ap was born in 1070 in Arwystli, Montgomeryshire, Wales.  He died at the age of 58 in 1128 in North Wales.